111121000311 has 4 divisors (see below), whose sum is σ = 148161333752. Its totient is φ = 74080666872.

The previous prime is 111121000283. The next prime is 111121000313. The reversal of 111121000311 is 113000121111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111121000311 - 2⁵ = 111121000279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121000313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18520166716 + ... + 18520166721.

It is an arithmetic number, because the mean of its divisors is an integer number (37040333438).

Almost surely, 2^111121000311 is an apocalyptic number.

111121000311 is a deficient number, since it is larger than the sum of its proper divisors (37040333441).

111121000311 is an equidigital number, since it uses as much as digits as its factorization.

111121000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040333440.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 111121000311 its reverse (113000121111), we get a palindrome (224121121422).

The spelling of 111121000311 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred eleven", and thus it is an aban number.